./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:58:45,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:58:45,583 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-12 00:58:45,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:58:45,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:58:45,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:58:45,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:58:45,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:58:45,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:58:45,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:58:45,648 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:58:45,649 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:58:45,649 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:58:45,651 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:58:45,651 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:58:45,652 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:58:45,652 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:58:45,652 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:58:45,653 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:58:45,653 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:58:45,654 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:58:45,654 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:58:45,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:58:45,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:58:45,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:58:45,657 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:58:45,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:58:45,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:58:45,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:58:45,658 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:58:45,660 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:58:45,660 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:58:45,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:58:45,661 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:58:45,661 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:58:45,661 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:58:45,661 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:58:45,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:58:45,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:58:45,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:45,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:58:45,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:58:45,663 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:58:45,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:58:45,664 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:58:45,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:58:45,665 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2023-11-12 00:58:45,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:58:45,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:58:45,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:58:45,986 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:58:45,987 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:58:45,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-12 00:58:49,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:58:49,694 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:58:49,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-12 00:58:49,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/data/f9558b4be/d10d585ff91047eaaa777672d44794d8/FLAG4e7906689 [2023-11-12 00:58:49,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/data/f9558b4be/d10d585ff91047eaaa777672d44794d8 [2023-11-12 00:58:49,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:58:49,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:58:49,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:49,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:58:49,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:58:49,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:49" (1/1) ... [2023-11-12 00:58:49,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396798ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:49, skipping insertion in model container [2023-11-12 00:58:49,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:49" (1/1) ... [2023-11-12 00:58:49,825 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:58:50,348 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:50,348 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:50,349 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:50,349 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:50,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:50,393 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-12 00:58:50,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12fd8471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:50, skipping insertion in model container [2023-11-12 00:58:50,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:50,394 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 00:58:50,396 INFO L158 Benchmark]: Toolchain (without parser) took 661.64ms. Allocated memory is still 176.2MB. Free memory was 135.3MB in the beginning and 119.4MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:58:50,396 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:58:50,397 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.05ms. Allocated memory is still 176.2MB. Free memory was 134.7MB in the beginning and 119.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:58:50,399 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.05ms. Allocated memory is still 176.2MB. Free memory was 134.7MB in the beginning and 119.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1044]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:58:52,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:58:53,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-12 00:58:53,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:58:53,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:58:53,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:58:53,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:58:53,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:58:53,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:58:53,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:58:53,112 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:58:53,113 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:58:53,113 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:58:53,115 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:58:53,116 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:58:53,116 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:58:53,117 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:58:53,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:58:53,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:58:53,118 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:58:53,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:58:53,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:58:53,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:58:53,120 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:58:53,120 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:58:53,121 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:58:53,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:58:53,121 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:58:53,122 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:58:53,122 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:58:53,124 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:58:53,124 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:58:53,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:58:53,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:58:53,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:58:53,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:58:53,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:53,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:58:53,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:58:53,127 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:58:53,127 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:58:53,127 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:58:53,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:58:53,127 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2023-11-12 00:58:53,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:58:53,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:58:53,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:58:53,629 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:58:53,629 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:58:53,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-12 00:58:56,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:58:57,378 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:58:57,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-12 00:58:57,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/data/819f4a386/eabe0bc234ee4f52b71aa148de69d66c/FLAGd29308b5f [2023-11-12 00:58:57,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/data/819f4a386/eabe0bc234ee4f52b71aa148de69d66c [2023-11-12 00:58:57,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:58:57,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:58:57,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:57,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:58:57,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:58:57,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:57" (1/1) ... [2023-11-12 00:58:57,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f323528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:57, skipping insertion in model container [2023-11-12 00:58:57,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:57" (1/1) ... [2023-11-12 00:58:57,505 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:58:58,189 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:58,190 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:58,191 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:58,192 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:58,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:58,289 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 00:58:58,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:58:58,366 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:58,367 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:58,368 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:58,368 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:58,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:58,413 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:58:58,473 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:58,473 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:58,474 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:58,475 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 00:58:58,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:58,643 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:58:58,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58 WrapperNode [2023-11-12 00:58:58,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:58,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:58,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:58:58,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:58:58,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58" (1/1) ... [2023-11-12 00:58:58,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58" (1/1) ... [2023-11-12 00:58:58,764 INFO L138 Inliner]: procedures = 281, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 189 [2023-11-12 00:58:58,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:58,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:58:58,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:58:58,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:58:58,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58" (1/1) ... [2023-11-12 00:58:58,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58" (1/1) ... [2023-11-12 00:58:58,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58" (1/1) ... [2023-11-12 00:58:58,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58" (1/1) ... [2023-11-12 00:58:58,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58" (1/1) ... [2023-11-12 00:58:58,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58" (1/1) ... [2023-11-12 00:58:58,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58" (1/1) ... [2023-11-12 00:58:58,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58" (1/1) ... [2023-11-12 00:58:58,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:58:58,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:58:58,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:58:58,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:58:58,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58" (1/1) ... [2023-11-12 00:58:58,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:58,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:58:58,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:58:58,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aed8eca-d7df-4778-afd7-f41e273ada32/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:58:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:58:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:58:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:58:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:58:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:58:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:58:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 00:58:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 00:58:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:58:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:58:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:58:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 00:58:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 00:58:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:58:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:58:58,973 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:58:59,272 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:58:59,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:00,281 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:59:00,297 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:59:00,297 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-12 00:59:00,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:00 BoogieIcfgContainer [2023-11-12 00:59:00,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:59:00,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:59:00,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:59:00,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:59:00,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:58:57" (1/3) ... [2023-11-12 00:59:00,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2520ca69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:00, skipping insertion in model container [2023-11-12 00:59:00,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:58" (2/3) ... [2023-11-12 00:59:00,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2520ca69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:59:00, skipping insertion in model container [2023-11-12 00:59:00,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:59:00" (3/3) ... [2023-11-12 00:59:00,315 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2023-11-12 00:59:00,339 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:59:00,339 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2023-11-12 00:59:00,340 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:59:00,532 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-12 00:59:00,578 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:59:00,594 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 246 transitions, 499 flow [2023-11-12 00:59:00,598 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 246 transitions, 499 flow [2023-11-12 00:59:00,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 224 places, 246 transitions, 499 flow [2023-11-12 00:59:00,722 INFO L124 PetriNetUnfolderBase]: 27/272 cut-off events. [2023-11-12 00:59:00,722 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 00:59:00,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 272 events. 27/272 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 920 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 139. Up to 4 conditions per place. [2023-11-12 00:59:00,741 INFO L119 LiptonReduction]: Number of co-enabled transitions 6912